export declare function addTestableElement(markup: string): Promise<void>;
export declare function getElement(markup: string): HTMLElement | null;
export declare function getElementInsideElement(element: HTMLElement, markup: string): HTMLElement | null;
export declare function getElementsInsideElement(element: HTMLElement, markup: string): NodeListOf<Element>;
export declare function getElements(markup: string): NodeListOf<Element>;
export declare function getShadowRootHTMLElements(element: HTMLElement | null, markup: string): NodeListOf<Element> | undefined;
export declare function getShadowRootHTMLElement(element: HTMLElement | null, markup: string): HTMLElement | null | undefined;
export declare function getShadowRootElementByDataTestId(element: Element | null | undefined, dataTestId: string): HTMLElement;
export declare function getShadowRootElement(element: Element | null | undefined, markup: string): Element | null | undefined;
export declare function getShadowRootElements(element: Element | null | undefined, markup: string): NodeListOf<Element> | undefined;
export declare function getSlotTextContent(element: HTMLElement | null | undefined): string | null | undefined;
export declare function getNamedSlotTextContent(element: HTMLElement | null, name: string): string | undefined | null;
export declare function getSlottedElements(element: HTMLElement | null, elementFilter?: string | null): Element[] | undefined;
export declare function getNamedSlottedElements(element: HTMLElement | null, name: string): Element[] | undefined;
export declare function flushPromises(time?: number): Promise<unknown>;
/**
 * Removes Lit-related comments from a given innerHTML string and normalizes whitespace.
 *
 * @param innerHTML - The innerHTML string to clean.
 * @returns The cleaned innerHTML string without Lit comments and with normalized whitespace.
 */
export declare function cleanInnerHTML(innerHTML: string): string;